package org.zhadoop.stream.cql.executor.expressioncreater;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.zhadoop.stream.cql.exception.ExecutorException;
import org.zhadoop.stream.cql.semanticanalyzer.analyzecontext.expressiondesc.ExpressionDescribe;
import org.zhadoop.stream.cql.semanticanalyzer.analyzecontext.expressiondesc.PropertyValueExpressionDesc;
import org.zhadoop.streaming.expression.IExpression;

/**
 * propertyValue 表达式创建
 * @author zwd
 *
 */
public class PropertyValueExpressionCreator implements ExpressionCreator{
	
	private static final Logger LOG = LoggerFactory.getLogger(PropertyValueExpressionCreator.class);
	
	private PropertyValueExpressionDesc expressiondesc;

	@Override
	public IExpression createInstance(ExpressionDescribe expressionDescribe, Map<String, String> systemconfig)
			throws ExecutorException {
		// TODO Auto-generated method stub
		return null;
	}

}
